Perhaps you should try some spelling variations:
manh hai » lanh hai, minh hai, thanh hai
sach nay » sach vay, sach nang, sach ngan
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
sach hay » sach han, sach ha, sach vay
cac xuc » cam xuc, chat xuc, cac cuoc
hai cua » thai cua, dai cua, hoi cua
va manh » van manh, va danh, va hanh
hieu ve » hieu va, hieu van
lang ha » long ha
ha hoi » hoa hoi, ha noi, xa hoi
cua te » cua tu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hay) OR (sach nay)) lang ha hoi. hieu ve ((cac xuc) OR (cac nuoc)) va manh hai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach hay) or (sach nay)) lang ha hoi. hieu ve ((cac xuc) OR (cac nuoc)) va manh hai cua te~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach hay) or (sach nay)) lang ha hoi. hieu ve ((cac xuc) OR (cac nuoc)) va manh hai cua te*.